Why guess when you can know? Put the power and intelligence of GreenBookSM, the software industry’s largest and most comprehensive software pricing database to work for you. Founded in 1996, ISAM specializes in helping data centers reduce software costs and compliance risk.  GreenBookSM by ISAM contains more than $15 billion in software costs from over 800 software vendors across 1,000 data centers worldwide. Armed with the knowledge of actual software costs paid by government data centers like yours, GreenBookSM provides the backbone to guide your team to best in class software pricing. Equally important, GreenBookSM enables you to approach your software vendors with comprehensive best in class software licensing practices to reduce your software costs. We’re proud to have as clients many of the largest companies and government agencies worldwide who, with our help, experience 20%-40% in software cost reductions even if they’re growing their capacity. For more information about ISAM visit


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